SIMUL8 - Simulation is an effective system that permits you to make striking, certain choices since it gives you the confirmation to make certain you are settling on the right decision.

GNS3 - GNS3 is a graphical network simulator that allows simulation of complex networks.

MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming

ns-3 - a discrete-event network simulator for internet systems

Actran - Actran is a finite element-based simulation software to analyze the acoustic behavior of mechanical systems and parts.

NetSim - NetSim software was created to simulate various Cisco systems. Cisco software is known around the world as being one of the best network, routing and switch systems for businesses and private use. Read more about NetSim.